Odette Marie Léonie Céline Hallowes,, also known as Odette Churchill and Odette Sansom, code named Lise, was an agent for the United Kingdom's clandestine Special Operations Executive (SOE) in France during the Second World War. She was the first woman to be awarded the George Cross by the United Kingdom and was awarded the Légion d'honneur by France. The following information relating to her war service uses 'Sansom' as this was her surname during this period.

Peter Morland Churchill, was a British Special Operations Executive (SOE) officer in France during the Second World War. His wartime operations, which resulted in his capture and imprisonment in German concentration camps, and his subsequent marriage to fellow SOE officer, Odette Sansom, received considerable attention during the war and after, including a 1950 film.